code: def test_repro3():
      """
      Test on the kappa values for a null dataset
      using cluster-level rfx, bootstrap
      """
      dataset = make_dataset(ampli_factor=0)
      kap, clt, pks = apply_repro_analysis(dataset, thresholds=[4.0])
      assert kap.mean(1) < 0.3
      assert clt.mean(1) < 0.3
  
file_path: nipy/nipy/labs/utils/tests/test_repro.py
imports: import numpy
  from ..reproducibility_measures import cluster_reproducibility, peak_reproducibility, voxel_reproducibility
  from ..simul_multisubject_fmri_dataset import surrogate_2d_dataset
label_desc: Use image node_id 5 for calling a global function with example usage: test_repro3() without return types